Which countries came to the brink of nuclear war over missile bases in cuba?
a. the united states and cuba
c. the united states and soviet union
b. cuba and the soviet union
d. none of the above

It was "c. The United States and Soviet Union" who came to the brink of nuclear war over missile bases in Cuba, since the Soviets had placed the missiles in Cuba, which was in close physical proximity to the United States. 

The nineteenth amendment changed voting rights as it allowed for women to vote nation wide

All federal judges are appointed by the state president and must go through congress for approval